Research Concepts RC4000 - Manual (Page 28)

RC4000 Antenna Controller Chapter 2 Hardware
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2.1.2.2.7 J7 - Interboard Bus A
J7 "Bus A" 40 pin Type 3
The main function of Bus A is to provide drive control signals from the computing board to the drive
board.
Pin Signal Pin Signal
1 DRIVE EN 2 DRIVE AZ0
3 DRIVE AZ1 4 DRIVE AZ2
5 DRIVE AZ3 6 EL SPD
7 AZ SPD 8 GND
9 DRV FAULT 10 POL SPD
11 GND 12 DRIVE EL0
13 DRIVE EL1 14 DRIVE EL1
15 DRIVE EL3 16 GPIO3 *
17 DRIVE AZ4 18 DRIVE EL4
19 GND 20 GPIO4 *
21 I2C1 SCL 22 I2C1 SDA
23 GND 24 GND
25 V_DRIVE 26 GPIO5 *
27 DRIVE PL0 28 DRIVE PL1
29 DRIVE PL2 30 DRIVE PL3
31 UP_SPARE1 * 32 UP_SPARE2 *
33 GPIO6 * 34 GPIO7 *
35 GPIO8 * 36 GPIO9 *
37 GND 38 GND
39 +5 VDC 40 +5 VDC
* - available for custom I/O